Rock penetration tooth



FIG. 1 is a top and right side perspective view of a rock penetrating tooth showing my new design;

FIG. 2 is a right side elevation view thereof, the left side being a mirror image thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a rear view thereof. The broken lines in FIG. 6 are included for the purpose of illustrating portions of the rock penetrating tooth that form no part of the claimed design. 

The ornamental design for a rock penetration tooth, as shown and described. 